| A | B |
| um | Nominative and Accusative Singular Case ending (subject & direct object) |
| ī | Genitive Singular: Possession |
| ō | Dative (indirect object) and Ablative (Object of Preposition) |
| a | Nominative & Accusative Plural (Subject & Direct Object) |
| ōrum | Genitive Plural: possession |
| īs | Dative (indirect object) and Ablative (Object of Preposition) |
| bellum | the war |
| bellī | of the war |
| bellō | to/for the war, "from, by" the war |
| bella | the wars |
| bellīs | to/for the wars, "from, by" the wars |
| bellōrum | of the wars |